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Blue Zinc Plated High Quality Hot Selling C. S. K Head Self Drilling Screw1
Fastener Fitting, Self Driliing Screw, Window Screw
Shenzhen Dahe Industrial Co., Ltd.
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Product Description Product Introduction: C.S.K Head Self-Drilling Screw (Blue & White Zinc Plated)Product DescriptionThe C.S.K (countersunk) head self-drilling screw is a fastener designed to drill, tap, and secure in one operation, without the need for pre-drilling. It features a countersunk flat head for a flush finish, and is plated with a blue & white zinc coating for enhanced corrosion resistance and aesthetic appeal. How to UseSelect the correct size: Choose a screw length and diameter appropriate for the material being joined (metal to metal, metal to wood, etc.).Align the screw: Place the screw where the fixing is required. Because of the self-drilling point, you do not need to pre-drill a pilot hole for many applications.Drive the screw: Use an appropriate driver (Phillips, Torx, or other drive type used) and apply steady pressure. The self-drilling tip will bore through the material, and threads will form behind it, pulling the materials together.Countersink flush: Thanks to the C.S.K head, the head of the screw will sit nearly flush or slightly below the surface once fully driven in. This gives a cleaner look and avoids snags or protrusions.Check finish: Because of the blue & white zinc plating, the screw will have visual consistency and enhanced protection. After installation, check that there is no damage to the coating in the drive-area or head.AdvantagesTime & labour saving: Drilling, tapping, and fastening in one step reduces installation time significantly compared to using separate drill bits, taps, or pilot holes.Flush finish: The countersunk head gives a neat, flat surface finish, which is desirable in visible applications or where protrusions are unacceptable.Corrosion resistance: The blue & white zinc plating offers protection against rust and weather, increasing the lifespan of the fixings, especially in outdoor or humid environments.High strength & durability: The hardened drill point ensures that the screw can penetrate steel or metal sheets; threads provide strong holding power. The C.S.K head also helps distribute force more evenly.Versatility: Suitable for a wide range of materials - metal, wood, composite panels - and for many applications such as roofing, cladding, metal framing, door/window installations. Typical ApplicationsRoofing and metal cladding installationsFixing wood to metal or steel framingSecuring window or door framesConstruction of light steel structuresGeneral fabrication work where clean, flush finishes are requiredProjects needing corrosion-resistant fasteners (e.g. outdoor structures, humid environments)
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